Here at DJ Mag, we get an extra warm feeling in our hearts knowing that a London club is officially the highest climber in this year’s poll. Take that naysayers! London lives on! In all seriousness though, Phonox’s ascension is testament to the hard work and business acumen of the Columbo Group, who own a host of London venues, including XOYO, which charted at No. 64. Previously known as Plan B, the Brixton venue got a makeover from its new owners, switching the booth to a more appropriate place and adding some minimal but snazzy horizontal lasers. Downstairs also got a refurb, giving it a proper seating area, and, since our last Top 100 Clubs (where Phonox first entered in 87th place), upstairs has also gained some space for R&R, neatly hidden behind a decorative screen. This frees up the club’s small stages for ravers to dance on high — and with the line-ups on offer, it’s impossible not to. Young star HAAi has been dominating Saturday’s with her ongoing residency, while the past few months alone have seen Best Of British winner Denis Sulta, electro whizz Helena Hauff, dubstep dons Mala and Khan & Neek, and celebrated former resident, Jasper James, take to the booth. South London’s number one…